With the push for contactless payments -- via fingerprint or retina scan -- the Chinese giant has now implemented its 'Smile to Pay' concept in China, through the facial recognition tool of its subsidiary Ant Financial.

Amazon.com Inc and Microsoft Corp have joined forces to let their voice-controlled virtual assistants talk to each other, offering users the ability to seamlessly tap into work, their homes and shop online.

Wearable device maker Fitbit on Monday launched its newest device, the Ionic smartwatch, with features ranging from fitness tracking to contactless payment, as it gears up to compete with rivals such as Apple.